topic Re: how do I convert an object id to a number in Data Management Questions https://community.esri.com/t5/data-management-questions/how-do-i-convert-an-object-id-to-a-number/m-p/610202#M34398 <HTML><HEAD></HEAD><BODY><P>FID = shapefile.&nbsp; OID = feature class.</P><P></P><P>Both are internally managed by ArcGIS, so you can't edit them.&nbsp; They are numbers by the way;&nbsp; you can add a long integer field and calc it to equal the FID or OID, but not the other way around.</P></BODY></HTML> Tue, 04 Oct 2016 17:21:00 GMT JoeBorgione 2016-10-04T17:21:00Z how do I convert an object id to a number https://community.esri.com/t5/data-management-questions/how-do-i-convert-an-object-id-to-a-number/m-p/610201#M34397 <HTML><HEAD></HEAD><BODY><P>I need to convert the FID to a number in field calculator.</P></BODY></HTML> Tue, 04 Oct 2016 17:11:36 GMT https://community.esri.com/t5/data-management-questions/how-do-i-convert-an-object-id-to-a-number/m-p/610201#M34397 KristineKosnik 2016-10-04T17:11:36Z Re: how do I convert an object id to a number https://community.esri.com/t5/data-management-questions/how-do-i-convert-an-object-id-to-a-number/m-p/610202#M34398 <HTML><HEAD></HEAD><BODY><P>FID = shapefile.&nbsp; OID = feature class.</P><P></P><P>Both are internally managed by ArcGIS, so you can't edit them.&nbsp; They are numbers by the way;&nbsp; you can add a long integer field and calc it to equal the FID or OID, but not the other way around.</P></BODY></HTML> Tue, 04 Oct 2016 17:21:00 GMT https://community.esri.com/t5/data-management-questions/how-do-i-convert-an-object-id-to-a-number/m-p/610202#M34398 JoeBorgione 2016-10-04T17:21:00Z Re: how do I convert an object id to a number https://community.esri.com/t5/data-management-questions/how-do-i-convert-an-object-id-to-a-number/m-p/610203#M34399 <HTML><HEAD></HEAD><BODY><P>Visuals for the solution <A href="https://community.esri.com/people/jborgion">jborgion</A>&nbsp; offered:</P><P></P><P><IMG alt="" class="image-1 jive-image j-img-original" src="https://community.esri.com/legacyfs/online/239303_ObjectIDtoNumber.jpg" style="width: 620px; height: 495px;" /></P><P></P><P><IMG alt="" class="image-2 jive-image j-img-original" src="https://community.esri.com/legacyfs/online/239304_ObjectIDtoNumberResult.jpg" style="height: auto;" /></P><P></P><P>Chris Donohue, GISP</P></BODY></HTML> Tue, 04 Oct 2016 17:46:09 GMT https://community.esri.com/t5/data-management-questions/how-do-i-convert-an-object-id-to-a-number/m-p/610203#M34399 ChrisDonohue__GISP 2016-10-04T17:46:09Z